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US 9,866,317 B2Granted
Method and apparatus for detecting power of uplink optical signal, optical line terminal, and optical network system
AssigneeHuawei Technologies Co., Ltd.
InventorsXiaofei Zeng, Sanzhong Li, Gang Zheng
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Abstract
Embodiments disclose a method and an apparatus for detecting power of an uplink optical signal, an optical line terminal, and an optical network system. The method includes: separately generating a triggering signal that is used for detecting optical power for each uplink optical signal among multiple uplink optical signals to be detected, where the triggering signal of each uplink optical signal has same duration. The method also includes separately detecting power of each uplink optical signal in the duration of the triggering signal of each uplink optical signal.
Claims26
A method, comprising:
- separately determining a relationship between a value of an uplink bandwidth of each uplink optical signal of a first plurality of uplink optical signals and a value of a bandwidth threshold;
- determining to detect a second plurality of uplink optical signals, wherein the second plurality of uplink optical signals is comprised in the first plurality of uplink optical signals, and wherein the uplink bandwidth of each of the second plurality of uplink optical signals is determined to be greater than or equal to the bandwidth threshold;
- separately generating a plurality of triggering signals for detecting an optical power for each uplink optical signal of the second plurality of uplink optical signals, wherein each triggering signal of the plurality of triggering signals has a same duration, and wherein an uplink duration corresponding to the bandwidth threshold is greater than or equal to the duration of each of the plurality of triggering signals;
- and
- separately detecting the optical power for each uplink optical signal of the second plurality of uplink optical signals in the duration of the triggering signal of each uplink optical signal of the second plurality of uplink optical signals.
2 more elements
An apparatus, comprising:
- a processor, configured to:
- separately determine a relationship between a value of an uplink bandwidth of each uplink optical signal of a first plurality of uplink optical signals and a value of a bandwidth threshold;
- and
- determine to detect a second plurality of uplink optical signals, wherein the second plurality of uplink optical signals is comprised in the first plurality of uplink optical signals, and wherein the uplink bandwidth of each of the second plurality of uplink optical signals is determined to be greater than or equal to the bandwidth threshold;
- a signal generator, configured to separately generate a plurality of triggering signals for detecting optical power for each uplink optical signal of ft the second plurality of uplink optical signals, wherein each triggering signal of the plurality of triggering signals has a same duration, and wherein an uplink duration corresponding to the bandwidth threshold is greater than or equal to the duration of each of the plurality of triggering signals;
- and
- a detector, configured to separately detect the optical power for each uplink optical signal of the second plurality of uplink optical signals in the duration of the triggering signal of each uplink optical signal of the second plurality of uplink optical signals and generated by the signal generator.
4 more elements
An optical line terminal (OLT), comprising:
- a Media Access Control (MAC) that comprises a controller that is configured to:
- separately determine a relationship between a value of an uplink bandwidth of each uplink optical signal of a first plurality of uplink optical signals and a value of a bandwidth threshold;
- determine to detect a second plurality of uplink optical signals, wherein the second plurality of uplink optical signals is comprised in the first plurality of uplink optical signals, and wherein the uplink bandwidth of each of the second plurality of uplink optical signals is determined to be greater than or equal to the bandwidth threshold;
- and
- separately generate a plurality of triggering signals that is used for detecting optical power for each uplink optical signal of the second plurality of uplink optical signals, wherein each triggering signal of the plurality of triggering signals has a same duration, and wherein an uplink duration corresponding to the bandwidth threshold is greater than or equal to the duration of each of the plurality of triggering signals;
- and
- an optical module that comprises an optical power detector that receives the plurality of triggering signals that are generated by the controller, and separately detects the optical power for each uplink optical signal of the second plurality of uplink optical signals in the duration of the triggering signal of each uplink optical signal of the second plurality of uplink optical signals.
4 more elements
An optical line terminal, configured to execute the following steps:
- separately determine a relationship between a value of an uplink bandwidth of each uplink optical signal of a first plurality of uplink optical signals and a value of a bandwidth threshold;
- and
- determine to detect a second plurality of uplink optical signals, wherein the second Plurality of uplink optical signals is comprised in the first plurality of uplink optical signals, and wherein the uplink bandwidth of each of the second plurality of uplink optical signals is determined to be greater than or equal to the bandwidth threshold;
- separately generate a plurality of triggering signals for detecting optical power for each uplink optical signal of the second plurality of uplink optical signals, wherein each triggering signal of the plurality of triggering signals has a same duration, and wherein an uplink duration corresponding to the bandwidth threshold is greater than or equal to the duration of each of the plurality of triggering signals;
- and
- separately detect the optical power for each uplink optical signal of the second plurality of uplink optical signals in the duration of the triggering signal of each uplink optical signal of the second plurality of uplink optical signals.
3 more elements
An apparatus, comprising a processor, a memory, and a bus system;
- wherein the processor and the memory are connected to each other by the bus system, the memory is configured to store an instruction, and the processor is configured to execute the instruction saved by the memory;
- wherein the processor is further configured to:
- separately determine a relationship between a value of an uplink bandwidth of each uplink optical signal of a first plurality of uplink optical signals and a value of a bandwidth threshold;
- and
- determine to detect a second plurality of uplink optical signals, wherein the second plurality of uplink optical signals is comprised in the first plurality of uplink optical signals, and wherein the uplink bandwidth of each of the second plurality of uplink optical signals is determined to be greater than or equal to the bandwidth threshold;
- separately generate a plurality of triggering signals for detecting optical power for each uplink optical signal of the second plurality of uplink optical signals, wherein each triggering signal of the plurality of triggering signals has a same duration, and wherein an uplink duration corresponding to the bandwidth threshold is greater than or equal to the duration of each of the plurality of triggering signals;
- and
- separately detect the optical power for each uplink optical signal of the second plurality of uplink optical signals in the duration of the triggering signal of each uplink optical signal of the second plurality of uplink optical signals.
5 more elements
Dependencies are inferred from the claim text.